Description
- 12TB capacity in a standard 3.5-inch form factor
- PMR technology works with all capacity enterprise applications & environments
- Reliable, field-proven, 4th generation design
- Outstanding power efficiency (Watts/TB)
- Compared to 8TB Ultrastar air drives
- 50% more capacity
- 52% more power efficient (Watts/TB)
- 25% more reliable (MTBF)
- SATA 6Gb/s and SAS 12Gb/s
- 12Gb/s SAS compatible with next-gen data centers; backwards compatible with 6Gb/s SAS
- 2.5M hours MTBF rating & 5-year limited warranty
- Instant Secure Erase (ISE) & Self-Encrypting Drive (SED) options
- Advanced Format 4Kn and 512e models
| Product Description | WD Ultrastar DC HC520 HUH721212ALE604 – hard drive – 12 TB – SATA 6Gb/s |
| Type | Hard drive – internal |
| Capacity | 12 TB |
| Form Factor | 3.5″ |
| Interface | SATA 6Gb/s |
| Data Transfer Rate | 600 MBps |
| Buffer Size | 256 MB |
| Spindle Speed | 7200 rpm |
| Features | Dual Stage Actuator (DSA), Secure Erase function, HelioSeal, 24×7 continuous operation, Enhanced Rotational Vibration Safeguard (RVS), advanced format 512e, Dynamic fly height technology |
| Dimensions (WxDxH) | 4 in x 5.8 in x 1 in |
| Weight | 23.28 oz |
| Manufacturer Warranty | 5-year warranty |
| Device Type | Hard drive – internal |
| Bytes per Sector | 512 |
| Width | 4 in |
| Depth | 5.8 in |
| Height | 1 in |
| Drive Transfer Rate | 600 MBps (external) |
| Internal Data Rate | 255 MBps |
| Seek Time | 8 ms (average) / 8.6 ms (max) |
| Average Latency | 4.16 ms |
| MTBF | 2,500,000 hours |
| 24×7 Operation | Yes |
| Non-Recoverable Errors | 1 per 10^15 |
| Load / Unload Cycles | 600,000 |
| Interfaces | 1 x SATA 6 Gb/s |
| Compatible Bay | 3.5″ |
| Power Consumption | 6.9 Watt (active) ¦ 5 Watt (idle) |
| Compliant Standards | RoHS 2011/65/EU |
| Service & Support | Limited warranty – 5 years |
| Min Operating Temperature | 41 °F |
| Max Operating Temperature | 140 °F |
| Min Storage Temperature | -40 °F |
| Max Storage Temperature | 158 °F |
| Shock Tolerance (operating) | 70 g @ 2 ms half-sine wave |
| Shock Tolerance (non-operating) | 300 g @ 2 ms half-sine wave |
| Vibration Tolerance (operating) | 0.67 g @ 5-500 Hz |
| Vibration Tolerance (non-operating) | 1.04 g @ 2-200 Hz |
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